Render repair with Ashlar lines - advice on sequence and timing


New Member
I need to repair this bit of the render, believe I have the relevant tools and have watched a number of videos on the steps.
What’s missing for me at the moment, is firstly when I should do the Ashlar lines, how long do I leave the render to set before doing them?
Do I do it before polishing with the plastic float and then the sponge? Or after?
Any advice gratefully received as I need to do this tomorrow lunchtime.
Thanks in advance


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